CVE-2026-31931 — Suricata tls: null dereference in tls.alpn rule keyword
Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference…
Published: 2026-04-02 · CVSS: 7.5 · CVSS 3.1
Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7